Skip to content

213-632-9061    Hello@TheKeystone.com   WhatsApp

The Keystone Watches
Cart $0 (0)
The Keystone Watches
BY BRAND
Patek Philippe ROLEX Audemars Piguet CARTIER OTHER (OMEGA, A. LANGE & SÖHNE, F.P. JOURNE, ETC.) Piaget
NEW ARRIVALS
HOLY GRAILS
RECENTLY SOLD
PASSING TIME
ABOUT US
Search
Cart $0 (0)
BY BRAND
Patek Philippe
ROLEX
Audemars Piguet
CARTIER
OTHER (OMEGA, A. LANGE & SÖHNE, F.P. JOURNE, ETC.)
Piaget
NEW ARRIVALS
HOLY GRAILS
RECENTLY SOLD
PASSING TIME
ABOUT US

Cart

Your cart is empty.

Continue browsing

Shipping & taxes calculated at checkout

Sort

  • Featured
  • Most relevant
  • Best selling
  • Alphabetically, A-Z
  • Alphabetically, Z-A
  • Price, low to high
  • Price, high to low
  • Date, old to new
  • Date, new to old

Filter

 
 
 
$
-
$
 
Patek Philippe - Patek Philippe Steel Nautilus Moonphase Watch Ref. 5726/1A - The Keystone Watches

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5726/1A

Patek Philippe Steel Nautilus Moonphase Watch Ref. 5726/1A

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref 5712/1A - The Keystone Watches

Patek Philippe Steel Nautilus Ref 5712/1A

Patek Philippe Steel Nautilus Ref 5712/1A

Sold Out

 
Patek Philippe Steel Nautilus Ref. 3700

Patek Philippe Steel Nautilus Ref. 3700

Patek Philippe Steel Nautilus Ref. 3700

$145,000 USD
 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710 - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710

Patek Philippe Steel Nautilus Ref. 3710

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 3710/1A - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3710/1A

Patek Philippe Steel Nautilus Ref. 3710/1A

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3712

Patek Philippe Steel Nautilus Ref. 3712

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3800

Patek Philippe Steel Nautilus Ref. 3800

Sold Out

 

Patek Philippe Steel Nautilus Ref. 3800

Patek Philippe Steel Nautilus Ref. 3800

Sold Out

 
Patek Philippe Steel Nautilus Ref. 3800 with Rare Arabic Numeral Dial and Original Warranty

Patek Philippe Steel Nautilus Ref. 3800 with Rare Arabic Numeral Dial and Original Warranty

Patek Philippe Steel Nautilus Ref. 3800 with Rare Arabic Numeral Dial and Original Warranty

Sold Out

 
Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

Patek Philippe Steel Nautilus Ref. 3800 with Roman Numeral Dial

$68,000 USD
 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 3800 with White Dial - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3800 with White Dial

Patek Philippe Steel Nautilus Ref. 3800 with White Dial

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 3800 with White Dial (New Arrival) - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 3800 with White Dial (New Arrival)

Patek Philippe Steel Nautilus Ref. 3800 with White Dial (New Arrival)

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty - The Keystone Watches

Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty

Patek Philippe Steel Nautilus Ref. 5711 with Original Box and Warranty

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3700 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3700

Patek Philippe Steel Nautilus Watch Ref. 3700

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial

Patek Philippe Steel Nautilus Watch Ref. 3700 with Tropical Brown Dial

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800

Patek Philippe Steel Nautilus Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800

Patek Philippe Steel Nautilus Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800

Patek Philippe Steel Nautilus Watch Ref. 3800

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800 with Original Box and Papers - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800 with Original Box and Papers

Patek Philippe Steel Nautilus Watch Ref. 3800 with Original Box and Papers

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper

Patek Philippe Steel Nautilus Watch Ref. 3800/1A with Original Paper

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 3900 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 3900

Patek Philippe Steel Nautilus Watch Ref. 3900

Sold Out

 
Patek Philippe - Patek Philippe Steel Nautilus Watch Ref. 5711 - The Keystone Watches

Patek Philippe Steel Nautilus Watch Ref. 5711

Patek Philippe Steel Nautilus Watch Ref. 5711

Sold Out

  • ​
  • 1
  • …
  • 103
  • 104
  • 105
  • 106
  • 107
  • …
  • 226
  • ​
New Arrivals Preview
 
Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

Patek Philippe Steel Calatrava Ref. 3466 (New Arrival)

$27,000 USD
 
Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

Patek Philippe Pink Gold Concealed Gay Freres Watch (New Arrival)

$29,500 USD
 
Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

Vacheron Constantin Yellow Gold Ref. 57003 Pocket Watch (New Arrival)

$9,500 USD
 
Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

Patek Philippe Pink Gold Watch Ref. 2488 (New Arrival)

$17,500 USD
 
Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

Cartier Yellow Gold Santos Ref. 81736781 with Sapphire Bezel and Bracelet (New Arrival)

$55,000 USD
 
Patek Philippe - Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival) - The Keystone Watches

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

Patek Philippe White Gold Golden Ellipse Ref. 3546 (New Arrival)

$15,500 USD
 
Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

Uti Paris Yellow Gold Watch, Retailed by Spritzer & Furhmann (New Arrival)

$9,200 USD
Shop all New Arrivals Preview

SHOP

  • BY BRAND
  • NEW ARRIVALS
  • HOLY GRAILS
  • RECENTLY SOLD
  • PASSING TIME
  • ABOUT US

Terms & Conditions

  • SEARCH
  • SELL TO US
  • ABOUT US
  • CONTACT US
  • TERMS & CONDITIONS

Guarantee

Our watches go through a rigorous authentication process in which seasoned experts examine and evaluate the watches. These experts have decades of experience and have authenticated thousands of watches in their lifetime. We guarantee every piece of the watches we offer are 100% authentic. 

CONTACT US

You can reach us by emailing hello@thekeystone.com or call 213-632-9061

We are based in West Hollywood, CA. Please contact us for appointments to view a watch in person. 

We are not authorized sellers of the brands listed on our site. We sell vintage and pre-owned product.

Stay in touch.

Currency

  • Afghanistan (AF ؋)
  • Åland Islands (AX €)
  • Albania (AL L)
  • Algeria (DZ د.ج)
  • Andorra (AD €)
  • Angola (AO $)
  • Anguilla (AI $)
  • Antigua & Barbuda (AG $)
  • Argentina (AR $)
  • Armenia (AM դր.)
  • Aruba (AW ƒ)
  • Ascension Island (AC £)
  • Australia (AU $)
  • Austria (AT €)
  • Azerbaijan (AZ ₼)
  • Bahamas (BS $)
  • Bahrain (BH $)
  • Bangladesh (BD ৳)
  • Barbados (BB $)
  • Belarus (BY $)
  • Belgium (BE €)
  • Belize (BZ $)
  • Benin (BJ Fr)
  • Bermuda (BM $)
  • Bhutan (BT $)
  • Bolivia (BO Bs.)
  • Bosnia & Herzegovina (BA КМ)
  • Botswana (BW P)
  • Brazil (BR $)
  • British Indian Ocean Territory (IO $)
  • British Virgin Islands (VG $)
  • Brunei (BN $)
  • Bulgaria (BG €)
  • Burkina Faso (BF Fr)
  • Burundi (BI Fr)
  • Cambodia (KH ៛)
  • Cameroon (CM CFA)
  • Canada (CA $)
  • Cape Verde (CV $)
  • Caribbean Netherlands (BQ $)
  • Cayman Islands (KY $)
  • Central African Republic (CF CFA)
  • Chad (TD CFA)
  • Chile (CL $)
  • China (CN ¥)
  • Christmas Island (CX $)
  • Cocos (Keeling) Islands (CC $)
  • Colombia (CO $)
  • Comoros (KM Fr)
  • Congo - Brazzaville (CG CFA)
  • Congo - Kinshasa (CD Fr)
  • Cook Islands (CK $)
  • Costa Rica (CR ₡)
  • Côte d’Ivoire (CI Fr)
  • Croatia (HR €)
  • Curaçao (CW ƒ)
  • Cyprus (CY €)
  • Czechia (CZ Kč)
  • Denmark (DK kr.)
  • Djibouti (DJ Fdj)
  • Dominica (DM $)
  • Dominican Republic (DO $)
  • Ecuador (EC $)
  • Egypt (EG ج.م)
  • El Salvador (SV $)
  • Equatorial Guinea (GQ CFA)
  • Eritrea (ER $)
  • Estonia (EE €)
  • Eswatini (SZ $)
  • Ethiopia (ET Br)
  • Falkland Islands (FK £)
  • Faroe Islands (FO kr.)
  • Fiji (FJ $)
  • Finland (FI €)
  • France (FR €)
  • French Guiana (GF €)
  • French Polynesia (PF Fr)
  • French Southern Territories (TF €)
  • Gabon (GA Fr)
  • Gambia (GM D)
  • Georgia (GE $)
  • Germany (DE €)
  • Ghana (GH $)
  • Gibraltar (GI £)
  • Greece (GR €)
  • Greenland (GL kr.)
  • Grenada (GD $)
  • Guadeloupe (GP €)
  • Guatemala (GT Q)
  • Guernsey (GG £)
  • Guinea (GN Fr)
  • Guinea-Bissau (GW Fr)
  • Guyana (GY $)
  • Haiti (HT $)
  • Honduras (HN L)
  • Hong Kong SAR (HK $)
  • Hungary (HU Ft)
  • Iceland (IS kr)
  • India (IN ₹)
  • Indonesia (ID Rp)
  • Iraq (IQ $)
  • Ireland (IE €)
  • Isle of Man (IM £)
  • Israel (IL ₪)
  • Italy (IT €)
  • Jamaica (JM $)
  • Japan (JP ¥)
  • Jersey (JE $)
  • Jordan (JO $)
  • Kazakhstan (KZ ₸)
  • Kenya (KE KSh)
  • Kiribati (KI $)
  • Kosovo (XK €)
  • Kuwait (KW $)
  • Kyrgyzstan (KG som)
  • Laos (LA ₭)
  • Latvia (LV €)
  • Lebanon (LB ل.ل)
  • Lesotho (LS $)
  • Liberia (LR $)
  • Libya (LY $)
  • Liechtenstein (LI CHF)
  • Lithuania (LT €)
  • Luxembourg (LU €)
  • Macao SAR (MO P)
  • Madagascar (MG $)
  • Malawi (MW MK)
  • Malaysia (MY RM)
  • Maldives (MV MVR)
  • Mali (ML Fr)
  • Malta (MT €)
  • Martinique (MQ €)
  • Mauritania (MR $)
  • Mauritius (MU ₨)
  • Mayotte (YT €)
  • Mexico (MX $)
  • Moldova (MD L)
  • Monaco (MC €)
  • Mongolia (MN ₮)
  • Montenegro (ME €)
  • Montserrat (MS $)
  • Morocco (MA د.م.)
  • Mozambique (MZ $)
  • Myanmar (Burma) (MM K)
  • Namibia (NA $)
  • Nauru (NR $)
  • Nepal (NP Rs.)
  • Netherlands (NL €)
  • New Caledonia (NC Fr)
  • New Zealand (NZ $)
  • Nicaragua (NI C$)
  • Niger (NE Fr)
  • Nigeria (NG ₦)
  • Niue (NU $)
  • Norfolk Island (NF $)
  • North Macedonia (MK ден)
  • Norway (NO $)
  • Oman (OM $)
  • Pakistan (PK ₨)
  • Palestinian Territories (PS ₪)
  • Panama (PA $)
  • Papua New Guinea (PG K)
  • Paraguay (PY ₲)
  • Peru (PE S/)
  • Philippines (PH ₱)
  • Pitcairn Islands (PN $)
  • Poland (PL zł)
  • Portugal (PT €)
  • Qatar (QA ر.ق)
  • Réunion (RE €)
  • Romania (RO Lei)
  • Russia (RU $)
  • Rwanda (RW FRw)
  • Samoa (WS T)
  • San Marino (SM €)
  • São Tomé & Príncipe (ST Db)
  • Saudi Arabia (SA ر.س)
  • Senegal (SN Fr)
  • Serbia (RS РСД)
  • Seychelles (SC $)
  • Sierra Leone (SL Le)
  • Singapore (SG $)
  • Sint Maarten (SX ƒ)
  • Slovakia (SK €)
  • Slovenia (SI €)
  • Solomon Islands (SB $)
  • Somalia (SO $)
  • South Africa (ZA $)
  • South Georgia & South Sandwich Islands (GS £)
  • South Korea (KR ₩)
  • South Sudan (SS $)
  • Spain (ES €)
  • Sri Lanka (LK ₨)
  • St. Barthélemy (BL €)
  • St. Helena (SH £)
  • St. Kitts & Nevis (KN $)
  • St. Lucia (LC $)
  • St. Martin (MF €)
  • St. Pierre & Miquelon (PM €)
  • St. Vincent & Grenadines (VC $)
  • Sudan (SD $)
  • Suriname (SR $)
  • Svalbard & Jan Mayen (SJ $)
  • Sweden (SE kr)
  • Switzerland (CH CHF)
  • Taiwan (TW $)
  • Tajikistan (TJ ЅМ)
  • Tanzania (TZ Sh)
  • Thailand (TH ฿)
  • Timor-Leste (TL $)
  • Togo (TG Fr)
  • Tokelau (TK $)
  • Tonga (TO T$)
  • Trinidad & Tobago (TT $)
  • Tristan da Cunha (TA £)
  • Tunisia (TN $)
  • Türkiye (TR $)
  • Turkmenistan (TM $)
  • Turks & Caicos Islands (TC $)
  • Tuvalu (TV $)
  • U.S. Outlying Islands (UM $)
  • Uganda (UG USh)
  • Ukraine (UA ₴)
  • United Arab Emirates (AE د.إ)
  • United Kingdom (GB £)
  • United States (US $)
  • Uruguay (UY $U)
  • Uzbekistan (UZ so'm)
  • Vanuatu (VU Vt)
  • Vatican City (VA €)
  • Venezuela (VE $)
  • Vietnam (VN ₫)
  • Wallis & Futuna (WF Fr)
  • Western Sahara (EH د.م.)
  • Yemen (YE ﷼)
  • Zambia (ZM $)
  • Zimbabwe (ZW $)
© The Keystone Watches 2026